Home / 104,155.14-143,723.82-58,206.30

Finding the Fourth Proportional to 104,155.14, 143,723.82 and 58,206.30

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Solution

The fourth proportional to 104,155.14, 143,723.82 and 58,206.30 is: 80,318.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,155.14 : 143,723.82 = 58,206.30 : x
  2. Step 2: Convert to fraction form
    104,155.14/143,723.82 = 58,206.30/x
  3. Step 3: Cross multiply
    104,155.14x = 143,723.82 × 58,206.30
  4. Step 4: Simplify right side
    104,155.14x = 8,365,631,784.07
  5. Step 5: Solve for x
    x = 8,365,631,784.07/104,155.14
  6. Step 6: Final answer
    x = 80,318.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.